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【判断题】
移频机车信号中,当机车信号由显示红黄灯转为显示红灯时,表示机车己冒进显示红灯的地面信号。
A.
正确
B.
错误
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【单选题】This is such a big stone _______no one can lift.
A.
which
B.
as
C.
that
D.
whose
【判断题】离合器自由间隙过大,容易产生打滑。
A.
正确
B.
错误
【简答题】完形填空。 A door was locked. A big stone came and hit the door. But he couldn't 1 it. Later a key came. He 2 the lock and the door opened. The stone was very 3 that the key could open it so easily. He ask...
【单选题】This big stone ________ at least a ton.
A.
weighs
B.
is weighed
C.
had we
D.
had been weighed
【单选题】This big stone ________ at least a ton.
A.
weighs
B.
is weighed
C.
had weighed
D.
had been weighed
【单选题】Here is such a big stone ______ no man can lift.
A.
that
B.
as
C.
this
D.
it
【单选题】A rock sticking out of the ground tripped him. He fell and hit his forehead on a stone。 That's how he got this big ______.
A.
bulging
B.
protruding
C.
sticking out
D.
jutting
E.
swelling
【单选题】He fell and hit his forehead on the stone. That’s how he got this big ____.
A.
bulging
B.
protruding
C.
sticking
D.
swelling
【单选题】下列关于龟甲竹的描述,不正确的是()
A.
秆直立,表面灰绿
B.
秆二型,分正常秆和畸形秆两种
C.
阳性,喜温湿气候及肥松土壤
D.
末级小枝具2-4叶,叶披针形
【单选题】下列哪种食品是国际统称级别最高的食品 ( )
A.
地标 性食品
B.
绿色食品
C.
AA级绿色食品
D.
有机食品
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